Product Name: Dye Grade Tannic Acid
Alias: Tannin, Tannic acid, Chinese gallnut tannic acid
Molecular Formula: C76H52O46
Molecular Weight: 1701.18
Tannic Acid Molecular Structure:
|
Test Item |
Unit |
Specification |
|
Appearance |
__ |
Pale yellow powder |
|
Content |
% |
≥83% |
|
Loss on Drying |
% |
≤9.0 |
|
Light Transmittance |
% |
≥53.0 |
|
Water Insolubles |
% |
≤0.5% |
|
Gallic Acid |
% |
≤7.0 |
|
Production Capacity |
__ |
600 T/Y |
|
Packaging |
External fiberboard drum with internal plastic bag. |
|
Properties: Pale yellow to light brown powder with distinctive odor; extremely astringent taste; soluble in 1 part water or ethanol, soluble in acetone, insoluble in chloroform or ether.
Application/Usage: Used as mordant, dyeing assistant, fiber deodorizer and synthetic dye in textile printing and dyeing.
Storage: Store in a sealed container, protected from moisture and light
Packaging: Plastic-lined fiberboard drum, net weight 25 kg per drum
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